52 



CUBICAL EXPANSION TABLES. 





XVIII. Organic Compounds Containing Sulphur. 



XIX. Metallic Salts of Organic Acids. 



Name. 



Formula. 



] Y.tassium oxal- 

 ate, j K 2 C a 4 . H 2 O. 

 Ammonium « iAm 2 C 2 0<. H 2 0. 



Coeff. of Expansion. 



.0001 162. o°-ioo°. 

 .0000876. « 



Authority. 



Playfair& Joule. 27, 



